Home / 850,963.80-1,174,314.87-463,782.72

Finding the Fourth Proportional to 850,963.80, 1,174,314.87 and 463,782.72

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Solution

The fourth proportional to 850,963.80, 1,174,314.87 and 463,782.72 is: 640,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,963.80 : 1,174,314.87 = 463,782.72 : x
  2. Step 2: Convert to fraction form
    850,963.80/1,174,314.87 = 463,782.72/x
  3. Step 3: Cross multiply
    850,963.80x = 1,174,314.87 × 463,782.72
  4. Step 4: Simplify right side
    850,963.80x = 544,626,944,545.05
  5. Step 5: Solve for x
    x = 544,626,944,545.05/850,963.80
  6. Step 6: Final answer
    x = 640,011.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.